Vulnerability · Published Oct 13, 2026 · Assigned by microsoft
CVE-2026-105726Microsoft Defender Information Disclosure Vulnerability
Medium 5.5
In plain English
A medium-severity out-of-bounds read in Microsoft Defender for Endpoint for Windows from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.4%top 62.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Out-of-bounds read in Microsoft Defender allows an authorized attacker to disclose information locally.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Defender for Endpoint for Windows | 1.0.0.0 – before 4.18.26060.3008 |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
References
- Microsoft Defender Information Disclosure Vulnerability vendor-advisory, patch